/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix034_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 22:58:25,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 22:58:25,206 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 22:58:25,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 22:58:25,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 22:58:25,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 22:58:25,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 22:58:25,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 22:58:25,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 22:58:25,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 22:58:25,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 22:58:25,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 22:58:25,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 22:58:25,270 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 22:58:25,272 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 22:58:25,274 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 22:58:25,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 22:58:25,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 22:58:25,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 22:58:25,285 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 22:58:25,287 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 22:58:25,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 22:58:25,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 22:58:25,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 22:58:25,302 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 22:58:25,302 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 22:58:25,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 22:58:25,308 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 22:58:25,309 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 22:58:25,310 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 22:58:25,310 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 22:58:25,314 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 22:58:25,314 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 22:58:25,315 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 22:58:25,316 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 22:58:25,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 22:58:25,319 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 22:58:25,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 22:58:25,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 22:58:25,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 22:58:25,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 22:58:25,322 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-21 22:58:25,352 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 22:58:25,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 22:58:25,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 22:58:25,353 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 22:58:25,353 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 22:58:25,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 22:58:25,354 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 22:58:25,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 22:58:25,354 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 22:58:25,354 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 22:58:25,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 22:58:25,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 22:58:25,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 22:58:25,355 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 22:58:25,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 22:58:25,356 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 22:58:25,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 22:58:25,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 22:58:25,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 22:58:25,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 22:58:25,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 22:58:25,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:58:25,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 22:58:25,357 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-21 22:58:25,357 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 22:58:25,357 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 22:58:25,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 22:58:25,358 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-21 22:58:25,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 22:58:25,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 22:58:25,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 22:58:25,662 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 22:58:25,666 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 22:58:25,666 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 22:58:25,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix034_pso.opt.i [2020-10-21 22:58:25,727 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc7c8526b/859d219873fe404690e5d0bc4ca98936/FLAGf921ca330 [2020-10-21 22:58:26,329 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 22:58:26,332 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix034_pso.opt.i [2020-10-21 22:58:26,359 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc7c8526b/859d219873fe404690e5d0bc4ca98936/FLAGf921ca330 [2020-10-21 22:58:26,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc7c8526b/859d219873fe404690e5d0bc4ca98936 [2020-10-21 22:58:26,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 22:58:26,577 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 22:58:26,578 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 22:58:26,578 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 22:58:26,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 22:58:26,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:58:26" (1/1) ... [2020-10-21 22:58:26,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d1e96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:58:26, skipping insertion in model container [2020-10-21 22:58:26,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 10:58:26" (1/1) ... [2020-10-21 22:58:26,594 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 22:58:26,639 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 22:58:27,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:58:27,125 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 22:58:27,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 22:58:27,313 INFO L208 MainTranslator]: Completed translation [2020-10-21 22:58:27,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:58:27 WrapperNode [2020-10-21 22:58:27,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 22:58:27,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 22:58:27,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 22:58:27,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 22:58:27,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:58:27" (1/1) ... [2020-10-21 22:58:27,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:58:27" (1/1) ... [2020-10-21 22:58:27,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 22:58:27,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 22:58:27,377 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 22:58:27,377 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 22:58:27,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:58:27" (1/1) ... [2020-10-21 22:58:27,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:58:27" (1/1) ... [2020-10-21 22:58:27,394 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:58:27" (1/1) ... [2020-10-21 22:58:27,395 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:58:27" (1/1) ... [2020-10-21 22:58:27,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:58:27" (1/1) ... [2020-10-21 22:58:27,409 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:58:27" (1/1) ... [2020-10-21 22:58:27,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:58:27" (1/1) ... [2020-10-21 22:58:27,420 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 22:58:27,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 22:58:27,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 22:58:27,421 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 22:58:27,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:58:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 22:58:27,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 22:58:27,490 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-21 22:58:27,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 22:58:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 22:58:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-21 22:58:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-21 22:58:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-21 22:58:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-21 22:58:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 22:58:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-21 22:58:27,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 22:58:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 22:58:27,493 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 22:58:29,254 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 22:58:29,254 INFO L298 CfgBuilder]: Removed 14 assume(true) statements. [2020-10-21 22:58:29,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:58:29 BoogieIcfgContainer [2020-10-21 22:58:29,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 22:58:29,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 22:58:29,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 22:58:29,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 22:58:29,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 10:58:26" (1/3) ... [2020-10-21 22:58:29,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec31c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:58:29, skipping insertion in model container [2020-10-21 22:58:29,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 10:58:27" (2/3) ... [2020-10-21 22:58:29,264 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec31c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 10:58:29, skipping insertion in model container [2020-10-21 22:58:29,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 10:58:29" (3/3) ... [2020-10-21 22:58:29,266 INFO L111 eAbstractionObserver]: Analyzing ICFG mix034_pso.opt.i [2020-10-21 22:58:29,278 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 22:58:29,278 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-21 22:58:29,286 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 22:58:29,287 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 22:58:29,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,316 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,316 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,317 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,317 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,318 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,319 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,320 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,321 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,322 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,323 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,324 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,326 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,327 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,327 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,327 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,328 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,328 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,329 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,329 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,330 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,331 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,331 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,331 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,335 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,336 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,336 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,337 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,337 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,337 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,337 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,337 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,338 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,338 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,338 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,338 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,338 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,339 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,340 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,340 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,340 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,340 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,340 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,345 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,345 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,346 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,346 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,347 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,347 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 22:58:29,349 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 22:58:29,363 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-21 22:58:29,385 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 22:58:29,386 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 22:58:29,386 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-21 22:58:29,386 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 22:58:29,386 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 22:58:29,386 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 22:58:29,386 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 22:58:29,387 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 22:58:29,401 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-21 22:58:29,402 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 88 transitions, 186 flow [2020-10-21 22:58:29,404 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 88 transitions, 186 flow [2020-10-21 22:58:29,407 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 92 places, 88 transitions, 186 flow [2020-10-21 22:58:29,451 INFO L129 PetriNetUnfolder]: 3/86 cut-off events. [2020-10-21 22:58:29,452 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 22:58:29,457 INFO L80 FinitePrefix]: Finished finitePrefix Result has 93 conditions, 86 events. 3/86 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2020-10-21 22:58:29,459 INFO L116 LiptonReduction]: Number of co-enabled transitions 1096 [2020-10-21 22:58:29,812 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2020-10-21 22:58:29,935 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2020-10-21 22:58:30,277 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 40 [2020-10-21 22:58:32,255 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2020-10-21 22:58:32,427 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-10-21 22:58:32,440 INFO L131 LiptonReduction]: Checked pairs total: 2654 [2020-10-21 22:58:32,441 INFO L133 LiptonReduction]: Total number of compositions: 84 [2020-10-21 22:58:32,447 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 26 places, 19 transitions, 48 flow [2020-10-21 22:58:32,465 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 150 states. [2020-10-21 22:58:32,467 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states. [2020-10-21 22:58:32,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-21 22:58:32,474 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:58:32,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-21 22:58:32,475 INFO L429 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:58:32,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:58:32,481 INFO L82 PathProgramCache]: Analyzing trace with hash 834381051, now seen corresponding path program 1 times [2020-10-21 22:58:32,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:58:32,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019109010] [2020-10-21 22:58:32,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:58:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:58:32,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:58:32,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019109010] [2020-10-21 22:58:32,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:58:32,723 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:58:32,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381669109] [2020-10-21 22:58:32,727 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:58:32,728 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:58:32,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:58:32,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:58:32,741 INFO L87 Difference]: Start difference. First operand 150 states. Second operand 3 states. [2020-10-21 22:58:32,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:58:32,818 INFO L93 Difference]: Finished difference Result 130 states and 302 transitions. [2020-10-21 22:58:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:58:32,820 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-21 22:58:32,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:58:32,838 INFO L225 Difference]: With dead ends: 130 [2020-10-21 22:58:32,838 INFO L226 Difference]: Without dead ends: 106 [2020-10-21 22:58:32,840 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:58:32,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-10-21 22:58:32,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-10-21 22:58:32,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-21 22:58:32,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 240 transitions. [2020-10-21 22:58:32,903 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 240 transitions. Word has length 5 [2020-10-21 22:58:32,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:58:32,903 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 240 transitions. [2020-10-21 22:58:32,903 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:58:32,904 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 240 transitions. [2020-10-21 22:58:32,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-21 22:58:32,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:58:32,904 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:58:32,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 22:58:32,905 INFO L429 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:58:32,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:58:32,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1318644057, now seen corresponding path program 1 times [2020-10-21 22:58:32,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:58:32,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038644124] [2020-10-21 22:58:32,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:58:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:58:32,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:58:32,974 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038644124] [2020-10-21 22:58:32,974 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:58:32,974 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-21 22:58:32,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887010208] [2020-10-21 22:58:32,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 22:58:32,976 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:58:32,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 22:58:32,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:58:32,977 INFO L87 Difference]: Start difference. First operand 106 states and 240 transitions. Second operand 3 states. [2020-10-21 22:58:32,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:58:32,985 INFO L93 Difference]: Finished difference Result 98 states and 218 transitions. [2020-10-21 22:58:32,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 22:58:32,986 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2020-10-21 22:58:32,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:58:32,987 INFO L225 Difference]: With dead ends: 98 [2020-10-21 22:58:32,987 INFO L226 Difference]: Without dead ends: 98 [2020-10-21 22:58:32,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 22:58:32,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-21 22:58:33,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-10-21 22:58:33,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-21 22:58:33,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 218 transitions. [2020-10-21 22:58:33,002 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 218 transitions. Word has length 7 [2020-10-21 22:58:33,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:58:33,005 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 218 transitions. [2020-10-21 22:58:33,005 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 22:58:33,005 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 218 transitions. [2020-10-21 22:58:33,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-21 22:58:33,006 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:58:33,006 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:58:33,006 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 22:58:33,006 INFO L429 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:58:33,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:58:33,007 INFO L82 PathProgramCache]: Analyzing trace with hash -208098842, now seen corresponding path program 1 times [2020-10-21 22:58:33,007 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:58:33,007 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565756369] [2020-10-21 22:58:33,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:58:33,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:58:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:58:33,179 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565756369] [2020-10-21 22:58:33,180 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:58:33,180 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:58:33,180 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614207785] [2020-10-21 22:58:33,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:58:33,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:58:33,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:58:33,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:58:33,182 INFO L87 Difference]: Start difference. First operand 98 states and 218 transitions. Second operand 4 states. [2020-10-21 22:58:33,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:58:33,216 INFO L93 Difference]: Finished difference Result 83 states and 154 transitions. [2020-10-21 22:58:33,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-21 22:58:33,216 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-21 22:58:33,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:58:33,217 INFO L225 Difference]: With dead ends: 83 [2020-10-21 22:58:33,218 INFO L226 Difference]: Without dead ends: 59 [2020-10-21 22:58:33,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:58:33,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-21 22:58:33,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2020-10-21 22:58:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-21 22:58:33,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 101 transitions. [2020-10-21 22:58:33,224 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 101 transitions. Word has length 9 [2020-10-21 22:58:33,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:58:33,225 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 101 transitions. [2020-10-21 22:58:33,225 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:58:33,225 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 101 transitions. [2020-10-21 22:58:33,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-21 22:58:33,226 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:58:33,226 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:58:33,226 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 22:58:33,227 INFO L429 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:58:33,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:58:33,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1980360825, now seen corresponding path program 1 times [2020-10-21 22:58:33,227 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:58:33,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364402802] [2020-10-21 22:58:33,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:58:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:58:33,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:58:33,396 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364402802] [2020-10-21 22:58:33,396 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:58:33,396 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:58:33,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489629950] [2020-10-21 22:58:33,397 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-21 22:58:33,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:58:33,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-21 22:58:33,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:58:33,398 INFO L87 Difference]: Start difference. First operand 59 states and 101 transitions. Second operand 5 states. [2020-10-21 22:58:33,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:58:33,447 INFO L93 Difference]: Finished difference Result 46 states and 73 transitions. [2020-10-21 22:58:33,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 22:58:33,448 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-21 22:58:33,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:58:33,449 INFO L225 Difference]: With dead ends: 46 [2020-10-21 22:58:33,449 INFO L226 Difference]: Without dead ends: 37 [2020-10-21 22:58:33,450 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:58:33,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-21 22:58:33,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-21 22:58:33,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-21 22:58:33,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 57 transitions. [2020-10-21 22:58:33,453 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 57 transitions. Word has length 12 [2020-10-21 22:58:33,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:58:33,453 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 57 transitions. [2020-10-21 22:58:33,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-21 22:58:33,453 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2020-10-21 22:58:33,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 22:58:33,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:58:33,454 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:58:33,454 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 22:58:33,455 INFO L429 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:58:33,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:58:33,455 INFO L82 PathProgramCache]: Analyzing trace with hash -716718770, now seen corresponding path program 1 times [2020-10-21 22:58:33,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:58:33,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [463200666] [2020-10-21 22:58:33,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:58:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:58:33,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:58:33,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [463200666] [2020-10-21 22:58:33,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:58:33,517 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 22:58:33,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070428807] [2020-10-21 22:58:33,518 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-21 22:58:33,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:58:33,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-21 22:58:33,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-21 22:58:33,519 INFO L87 Difference]: Start difference. First operand 37 states and 57 transitions. Second operand 4 states. [2020-10-21 22:58:33,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:58:33,546 INFO L93 Difference]: Finished difference Result 48 states and 71 transitions. [2020-10-21 22:58:33,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-21 22:58:33,546 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2020-10-21 22:58:33,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:58:33,547 INFO L225 Difference]: With dead ends: 48 [2020-10-21 22:58:33,547 INFO L226 Difference]: Without dead ends: 22 [2020-10-21 22:58:33,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-21 22:58:33,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2020-10-21 22:58:33,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2020-10-21 22:58:33,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2020-10-21 22:58:33,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2020-10-21 22:58:33,550 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 27 transitions. Word has length 15 [2020-10-21 22:58:33,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:58:33,550 INFO L481 AbstractCegarLoop]: Abstraction has 22 states and 27 transitions. [2020-10-21 22:58:33,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-21 22:58:33,551 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2020-10-21 22:58:33,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 22:58:33,551 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:58:33,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:58:33,552 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 22:58:33,552 INFO L429 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:58:33,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:58:33,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1815170750, now seen corresponding path program 2 times [2020-10-21 22:58:33,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:58:33,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686324499] [2020-10-21 22:58:33,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:58:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 22:58:33,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 22:58:33,779 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686324499] [2020-10-21 22:58:33,779 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 22:58:33,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-21 22:58:33,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693962335] [2020-10-21 22:58:33,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 22:58:33,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 22:58:33,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 22:58:33,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-21 22:58:33,781 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. Second operand 6 states. [2020-10-21 22:58:33,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 22:58:33,959 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2020-10-21 22:58:33,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-21 22:58:33,959 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-21 22:58:33,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 22:58:33,960 INFO L225 Difference]: With dead ends: 28 [2020-10-21 22:58:33,960 INFO L226 Difference]: Without dead ends: 18 [2020-10-21 22:58:33,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-10-21 22:58:33,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-10-21 22:58:33,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-10-21 22:58:33,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-21 22:58:33,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2020-10-21 22:58:33,962 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 15 [2020-10-21 22:58:33,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 22:58:33,963 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2020-10-21 22:58:33,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 22:58:33,963 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2020-10-21 22:58:33,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-21 22:58:33,964 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 22:58:33,964 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 22:58:33,964 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-21 22:58:33,964 INFO L429 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 22:58:33,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 22:58:33,965 INFO L82 PathProgramCache]: Analyzing trace with hash 597002998, now seen corresponding path program 3 times [2020-10-21 22:58:33,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 22:58:33,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892952391] [2020-10-21 22:58:33,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 22:58:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:58:34,045 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:58:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 22:58:34,103 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 22:58:34,155 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 22:58:34,156 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 22:58:34,156 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-21 22:58:34,157 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-21 22:58:34,172 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [820] [820] L4-->L827: Formula: (let ((.cse7 (= (mod ~x$w_buff1_used~0_In1935036070 256) 0)) (.cse6 (= (mod ~x$r_buff1_thd0~0_In1935036070 256) 0)) (.cse8 (= (mod ~x$r_buff0_thd0~0_In1935036070 256) 0)) (.cse9 (= (mod ~x$w_buff0_used~0_In1935036070 256) 0))) (let ((.cse0 (or .cse8 .cse9)) (.cse4 (not .cse9)) (.cse5 (not .cse8)) (.cse3 (or .cse7 .cse6)) (.cse1 (not .cse7)) (.cse2 (not .cse6))) (and (or (and .cse0 (or (and .cse1 (= ~x~0_Out1935036070 ~x$w_buff1~0_In1935036070) .cse2) (and (= ~x~0_Out1935036070 ~x~0_In1935036070) .cse3))) (and .cse4 (= ~x~0_Out1935036070 ~x$w_buff0~0_In1935036070) .cse5)) (or (and .cse0 (= ~x$w_buff0_used~0_Out1935036070 ~x$w_buff0_used~0_In1935036070)) (and .cse4 .cse5 (= ~x$w_buff0_used~0_Out1935036070 0))) (= ~x$r_buff1_thd0~0_Out1935036070 ~x$r_buff1_thd0~0_In1935036070) (not (= ULTIMATE.start_assume_abort_if_not_~cond_In1935036070 0)) (or (and (= ~x$w_buff1_used~0_In1935036070 ~x$w_buff1_used~0_Out1935036070) .cse3) (and .cse1 (= 0 ~x$w_buff1_used~0_Out1935036070) .cse2)) (= ~x$r_buff0_thd0~0_In1935036070 ~x$r_buff0_thd0~0_Out1935036070)))) InVars {~x$w_buff0~0=~x$w_buff0~0_In1935036070, ~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In1935036070, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In1935036070, ~x$w_buff1~0=~x$w_buff1~0_In1935036070, ~x$w_buff1_used~0=~x$w_buff1_used~0_In1935036070, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In1935036070, ~x~0=~x~0_In1935036070, ~x$w_buff0_used~0=~x$w_buff0_used~0_In1935036070} OutVars{~x$w_buff0~0=~x$w_buff0~0_In1935036070, ~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_Out1935036070, ULTIMATE.start_main_#t~ite39=|ULTIMATE.start_main_#t~ite39_Out1935036070|, ~x$w_buff1~0=~x$w_buff1~0_In1935036070, ~x$w_buff1_used~0=~x$w_buff1_used~0_Out1935036070, ULTIMATE.start_main_#t~ite36=|ULTIMATE.start_main_#t~ite36_Out1935036070|, ULTIMATE.start_main_#t~ite38=|ULTIMATE.start_main_#t~ite38_Out1935036070|, ULTIMATE.start_main_#t~ite37=|ULTIMATE.start_main_#t~ite37_Out1935036070|, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_Out1935036070, ~x$w_buff0_used~0=~x$w_buff0_used~0_Out1935036070, ULTIMATE.start_main_#t~ite41=|ULTIMATE.start_main_#t~ite41_Out1935036070|, ULTIMATE.start_main_#t~ite40=|ULTIMATE.start_main_#t~ite40_Out1935036070|, ULTIMATE.start_assume_abort_if_not_~cond=ULTIMATE.start_assume_abort_if_not_~cond_In1935036070, ~x~0=~x~0_Out1935036070} AuxVars[] AssignedVars[~x$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_main_#t~ite39, ~x$w_buff1_used~0, ULTIMATE.start_main_#t~ite36, ULTIMATE.start_main_#t~ite38, ULTIMATE.start_main_#t~ite37, ~x$r_buff1_thd0~0, ~x~0, ~x$w_buff0_used~0] because there is no mapped edge [2020-10-21 22:58:34,187 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,188 WARN L224 RCFGBacktranslator]: unable to determine which branch was taken at C: __VERIFIER_atomic_begin() [770] [2020-10-21 22:58:34,192 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,192 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,192 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,193 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,194 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,194 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,194 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,195 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,195 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,195 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,195 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,195 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,196 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,196 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,196 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,196 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,197 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,197 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,198 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,198 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,198 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,198 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,198 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,198 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,199 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,199 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,199 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,199 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,200 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,200 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,200 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,200 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,200 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,201 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,201 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,201 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,201 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,201 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,201 WARN L219 RCFGBacktranslator]: You are using large block encoding together with an algorithm for which the backtranslation into program statements is not yet implemented. [2020-10-21 22:58:34,201 ERROR L222 RCFGBacktranslator]: unable to determine which branch was taken, unable to determine the location [2020-10-21 22:58:34,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 10:58:34 BasicIcfg [2020-10-21 22:58:34,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 22:58:34,253 INFO L168 Benchmark]: Toolchain (without parser) took 7681.63 ms. Allocated memory was 147.3 MB in the beginning and 314.0 MB in the end (delta: 166.7 MB). Free memory was 101.7 MB in the beginning and 242.4 MB in the end (delta: -140.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-10-21 22:58:34,254 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-21 22:58:34,255 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.38 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 100.6 MB in the beginning and 158.8 MB in the end (delta: -58.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-10-21 22:58:34,255 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.33 ms. Allocated memory is still 205.5 MB. Free memory was 158.8 MB in the beginning and 156.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-21 22:58:34,256 INFO L168 Benchmark]: Boogie Preprocessor took 43.18 ms. Allocated memory is still 205.5 MB. Free memory was 156.2 MB in the beginning and 154.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 22:58:34,257 INFO L168 Benchmark]: RCFGBuilder took 1836.18 ms. Allocated memory was 205.5 MB in the beginning and 245.9 MB in the end (delta: 40.4 MB). Free memory was 154.2 MB in the beginning and 213.8 MB in the end (delta: -59.6 MB). Peak memory consumption was 100.3 MB. Max. memory is 7.1 GB. [2020-10-21 22:58:34,258 INFO L168 Benchmark]: TraceAbstraction took 4992.69 ms. Allocated memory was 245.9 MB in the beginning and 314.0 MB in the end (delta: 68.2 MB). Free memory was 212.1 MB in the beginning and 242.4 MB in the end (delta: -30.3 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. [2020-10-21 22:58:34,263 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 147.3 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 736.38 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 100.6 MB in the beginning and 158.8 MB in the end (delta: -58.2 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 62.33 ms. Allocated memory is still 205.5 MB. Free memory was 158.8 MB in the beginning and 156.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.18 ms. Allocated memory is still 205.5 MB. Free memory was 156.2 MB in the beginning and 154.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1836.18 ms. Allocated memory was 205.5 MB in the beginning and 245.9 MB in the end (delta: 40.4 MB). Free memory was 154.2 MB in the beginning and 213.8 MB in the end (delta: -59.6 MB). Peak memory consumption was 100.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4992.69 ms. Allocated memory was 245.9 MB in the beginning and 314.0 MB in the end (delta: 68.2 MB). Free memory was 212.1 MB in the beginning and 242.4 MB in the end (delta: -30.3 MB). Peak memory consumption was 37.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 625 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 37 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.0s, 92 PlacesBefore, 26 PlacesAfterwards, 88 TransitionsBefore, 19 TransitionsAfterwards, 1096 CoEnabledTransitionPairs, 6 FixpointIterations, 35 TrivialSequentialCompositions, 35 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 11 ConcurrentYvCompositions, 3 ChoiceCompositions, 84 TotalNumberOfCompositions, 2654 MoverChecksTotal - CounterExampleResult [Line: 18]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p1_EBX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L720] 0 _Bool x$flush_delayed; [L721] 0 int x$mem_tmp; [L722] 0 _Bool x$r_buff0_thd0; [L723] 0 _Bool x$r_buff0_thd1; [L724] 0 _Bool x$r_buff0_thd2; [L725] 0 _Bool x$r_buff1_thd0; [L726] 0 _Bool x$r_buff1_thd1; [L727] 0 _Bool x$r_buff1_thd2; [L728] 0 _Bool x$read_delayed; [L729] 0 int *x$read_delayed_var; [L730] 0 int x$w_buff0; [L731] 0 _Bool x$w_buff0_used; [L732] 0 int x$w_buff1; [L733] 0 _Bool x$w_buff1_used; [L735] 0 int y = 0; [L737] 0 int z = 0; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L813] 0 pthread_t t903; [L814] FCALL, FORK 0 pthread_create(&t903, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L815] 0 pthread_t t904; [L816] FCALL, FORK 0 pthread_create(&t904, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L771] 2 x$w_buff1 = x$w_buff0 [L772] 2 x$w_buff0 = 1 [L773] 2 x$w_buff1_used = x$w_buff0_used [L774] 2 x$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L776] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L777] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L778] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L779] 2 x$r_buff0_thd2 = (_Bool)1 [L782] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L785] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L788] 2 __unbuffered_p1_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L743] 1 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L746] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L747] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L748] 1 x$flush_delayed = weak$$choice2 [L749] 1 x$mem_tmp = x [L750] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L750] 1 x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1) [L751] EXPR 1 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L751] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0)) [L752] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L752] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1) [L752] EXPR 1 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L752] 1 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1)) [L753] EXPR 1 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L753] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used)) [L754] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L754] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L754] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0 [L754] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L754] EXPR 1 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L754] 1 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L755] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1) [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L755] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1) [L755] EXPR 1 weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L755] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1)) [L756] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] EXPR 1 !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L756] EXPR 1 weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L756] 1 x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L757] 1 __unbuffered_p0_EAX = x [L758] EXPR 1 x$flush_delayed ? x$mem_tmp : x [L758] 1 x = x$flush_delayed ? x$mem_tmp : x [L759] 1 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L791] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L791] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L792] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L793] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L794] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L794] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L795] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L795] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L798] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L800] 2 return 0; [L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 1 return 0; [L818] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L829] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0) [L19] COND TRUE 0 !expression [L18] COND FALSE 0 !(0) [L18] 0 __assert_fail ("0", "mix034_pso.opt.c", 9, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 86 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.7s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.0s, HoareTripleCheckerStatistics: 101 SDtfs, 80 SDslu, 125 SDs, 0 SdLazy, 67 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=150occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 3017 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...